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  1. I'm in the process of photographing and cataloging specimens from a new site and thought some here might enjoy seeing some specimens as I go. These fossils were collected in eastern Illinois from the roof shales of the Herrin (No. 6) Coal. They are middle Pennsylvanian (Desmoinesian) in age. The Herrin (No. 6) Coal is the second to last coal member of the Carbondale Formation. For reference, the Mazon Creek biota occurs in the Francis Creek Shale Member, which overlies the first coal member of the Carbondale Formation, the Colchester (No. 2) Coal. Here's a general stratigraphic section of the Carbondale for reference. This biota has similarities to the Mazon Creek biota, but the flora especially is quite different. The fauna so far seems typical of terrestrial Pennsylvanian sites: bivalves, branchiopods, indeterminate arthropod parts, and a single shark egg. This biota is not well studied, and thus many names here are provisional pending a possible formal study. Scale bars are 1cm unless noted otherwise. Dunbarella striata Calamostachys tuberculata Alethopteris gibsonii Cyperites bicarinatus
  2. @stats @Mark Kmiecik @RCFossils @Peat Burns @connorp @deutscheben@fiddlehead I had been in contact with a friend (Bob) of mine that I met over 30 years ago. I met him through my fossil mentor Walter. Bob and Walter would collect in the 70’s and 80’s with many well know collectors, including Francis Tully. The would also bring fossils to the Field Museum so Dr. Eugene Richardson and others, could ID some of their finds. In our talks over the last several months, he had spoke about selling his collection and I advised him that I would be interested. We came to an agreement on price and today I stopped by his house to get the collection. It contained an unbelievable amount of fossils, all prom Pit 11, with the exception of a couple that he collected at Pit 14, a place he only visited one time. I am going to post just a few pics of some of the fossils in his collection that he amassed over 30+ years of collecting. I have only looked at a small sample of what I purchased. Without further ado, here are a few of the fossils. A few flora pieces to begin with. As you can see from this sample, many of these are how he found them and they were never cleaned. Now to some of the fauna. This first piece is shown in the 1979 Matthew Nitecki book- Mazon Creek Fossils. This Titanoceras so. Cephalopod is shown on page 337, figure 1a - Lateral view of ventrolateral portion of body chamber. This was in the chapter “Middle Pennsylvanian Cephalopoda of Mazon Creek Fauna, written by W. Bruce Saunders and Dr. Eugene S. Richardson, Jr. Bob advised me that he found this piece at Pit 14 near a chiton that he also found there. Here is one of my favorites, Bandringa rayi. This shark was loaned to the Field Museum and Dr. Rainer Zangrel took a look at it. He stated that this specimen showed the mouth (white dot area). Here are a couple Tully pieces. The below one is cool because it shows the claw/mouth, folded over on the body. This looks like a spider. Here is a scorpion. A couple winged insects. Continued on next post.
  3. Today was a nice “Mazon Creek Fossil Day” at the Coal City Library presented by ESCONI (Earth Science Club of Northern Illinois). The library. There were about 45 people in attendance which included some FF members. There were a number of displays that contained Mazon Creek fossils and you were able to purchase the various MC books by Jack Witry @fiddlehead. Fossils- Some of the attendees- (L) Rich @stats and Marty. Continued on next post.
  4. Ross Davidson

    Braceville Mineshaft Question

    Hi. I was planning to take a look at the Braceville Shaft Mine site this summer, ... can the public access it?
  5. MSirmon

    San Angelo TX

    While hunting in San Angelo TX I found numerous crystals along but also ran across these interesting pieces. I'm not sure what they are but the appearance looks like lily pad tops. I've been trying to research them but have had no success. Even if they are just curious Rick formations they are interesting enough to go into my "interesting rock" collection, which to be honest has grown tremendously since relocating to west Texas. Any help would be appreciated.
  6. Nimravis

    More Mazon Creek ID’s

    @RCFossils @stats @connorp @Mark Kmiecik Here are a couple more that I put to the side and do not recall if I looked for ID’s in the past. I just can’t feel comfortable with an id on this worm, what do you think? It is a cutie. 1. 2. This is reminding me of an Octomedusa, but do not recall seeing one with this type of preservation. 3. Here are Three Amigos- any ideas?
  7. FreePineland574

    Big Mazon Creek Shrimp?

    OK, so I am a complete newcomer to the world of fossils, and although I do have the references, I can't seem to pin this down. Appreciate any help I can get. Warren
  8. Nimravis

    Mazon Creek ID

    As with many Mazon Creek pieces, a lot is left up to interpretation and imagination. Looking to see what people think about this piece. @RCFossils @stats @Mark Kmiecik @connorp @deutscheben and any other FF members.
  9. ChicagoX

    9-30-22 Mazon Creek ID

    Not really sure what to make of this one and hoping someone can help ID. Thanks in advance. Pit 4 area
  10. Nimravis

    9-28-22 Mazon Creek ID Hagfish???

    I came across this piece tonight and am looking to see what others think. This piece has what appears to be a faint gut line and 2- eyes. I was thinking possible Hagfish, but not convinced. @RCFossils @stats @Mark Kmiecik @connorp @deutscheben
  11. This is an odd one for me, anyone have any ideas?
  12. Nimravis

    8-27-22 Mazon Creek ID?

    I just came across this piece that was found at Pit 11. I am leaning towards a weird preservation for a Octomedusa pieckorum, but it reminds me of something else that I cannot put my finger on, non Mazon Creek related. What do you think? @RCFossils @stats @Mark Kmiecik @connorp @deutscheben And any other Forum members.
  13. Nimravis

    8-16-22 Mazon Creek IDs

    Here are a couple pieces that I want to post to see what others think @RCFossils @Mark Kmiecik @stats @deutscheben @connorp This first piece, I think might be a G. Greenei. This next piece may be a “blade”, Esconichthys apopyris. And lastly, 2 worms.
  14. Stingray

    Cole hill rd 2nd trip

    Took a second trip to cole hill rd yesterday trying for different formations. I couldn’t locate any but found some similar hash plates and a few new items. waiting on a measuring block from @Misha in the mail but the sizes are approximately 3 to 6 inches on the hash plates.
  15. Nimravis

    8-4-22 Mazon Creek ID

    I am thinking that this is an example of Palaeoxyris prendelli, if it is, I believe it is my first of this specific one. @RCFossils @stats
  16. Nimravis

    8-1-22 Mazon Creek ID’s

    I have two pieces here that are odd and cannot pinpoint an ID, any help from @RCFossils @Mark Kmiecik @stats @connorp @deutscheben would be appreciated. #1 #2
  17. Nimravis

    8-2-22 Mazon Creek ID

    Just came across this piece in a box of loose concretions. It has the look of an insect wing, but believe it might be a Neuropteris inflata leaf. What do you think? @RCFossils @deutscheben @stats @connorp @Mark Kmiecik Sorry for the darker pics, but this is a real black concretion.
  18. Nimravis

    7-19-22 Mazon Creek ID

    I have two odd pieces tonight and was wondering if anyone has an idea. @RCFossils @deutscheben @Mark Kmiecik @stats @connorp This first one it odd looking, I am thinking fauna, but wonder if it is a seed. This next piece reminds me of an insect, but I think it might be a worm.
  19. Nimravis

    7-29-22 Mazon Creek ID’s

    @RCFossils @Mark Kmiecik @connorp @deutscheben @stats Looking for thoughts on these few pieces- It looks a bit like the barnacle Illilepas damrowi Thinking possible Reticulomedusa greenei This next one is odd looking and the only thing that I can think of is an Octomedusa pieckorum. Lastly, looking for something on this bivalve.
  20. Nimravis

    7-27-22 Mazon Creek ID

    I think it is a long shot, but could this be the Essex crustacean, Dithyrocaris? @RCFossils
  21. Nimravis

    7-22-22 Mazon Creek ID

    Here is a piece that I am getting a shrimpy feel, stomatopod? @RCFossils @Mark Kmiecik @stats @connorp @deutscheben
  22. This worm(?) is vexing me. I've got some clues, but none of them seem to add up to a definitive ID. Any ideas? These photos are from the vendor's listing of the specimen. Yes, I've been through the books, several times. I'm far from an expert in MC material, so any assistance would be greatly appreciated.
  23. Nimravis

    7-14-22 Mazon Creek ID

    I am looking to see what members think this piece might be, I am pretty sure that it a Fauna fossil, but the length and lack of real detail have me scratching my head.
  24. Nimravis

    7-16-22 Mazon Creek IDs

    @connorp @deutscheben @Mark Kmiecik @RCFossils Here are a few pieces that I am looking for ID’s on- I believe this first two pieces may be Mariopteris, if yes, what species? I have seen something like this before, but cannot remember where, I am thinking some type of seed? Lastly, I am looking for an ID on this poorly preserved, bushy looking worm. I was first thinking Palaeocampa anthrax, but it just does not seem correct.
  25. Nimravis

    7-13-22 Mazon Creek ID - Fauna

    I am looking to see what members this this little guy is. I was thinking that it is possibly the Arrow Worm, Mazoglossus ramsdelli, but am not convinced, the ribbing looks odd. @RCFossils @stats @Mark Kmiecik @deutscheben @connorp
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